rsa - Dealing with a PublicKey object in Java -

first, time, , patience since i´m noob in subject... have publickey object:

sun rsa public key, 2048 bits   modulus: 18077203024541758363929020498733829335491380051700307922133794962061975747420394877143889885945336305414295314139507244695177887549094887061986620463327220586346030432731550617421168238140740600157137764348364595070740870977422155213465409492752709350141858141989090093641680035205975043549124382974765930336756768548921056751935659732417661594872253800976031104054204421629711597470770033907934006101453865340621763385927121144139876123093050849040638804744781745077880021130241262817005818066815987603380244330904985993553253768481242544555268132089382269330678737161421709242927983939704722774178497866252217753513   public exponent: 65537 

and need this:

miibijanbgkqhkig9w0baqefaaocaq8amiibcgkcaqeajzlzvhyjxagafmqngrsdj3vistkpy3i3 fow4xrx+wkoebov9k7wfgdb2ptvl+fahhy5mvgghzzfggo0thefzdbqdlzezqbg6uw/qdh4cddjb nfhaziexspfsdlz15i5yizcpvkslm7cuf0oguoq8qxnledfd47mrwp7krt2vtgkrlpkykiue6e/i nrqygpadsv0qytbgzcxqt5wm70iqtjei4ecszgwcwg0aebjo8imv42bh1zk8igs1a/tasleshamy xpqavgf8zhncssaqdzjmzirn1tzuyn2whkpw2mwudvy5acyepmv7izzvtmawjc7g6c8y5my+mmme qmafqqidaqab 

(for correct example)

i don´t know how handle kind of object don´t know if it´s pretty dumb or hard achieve.

edit: (further explanation) in case i´m dealing publickey object working net.ripe.commons.certification library since need parse fields of end entity certificate. when public key .getpublickey() of x509cert, , see show in first code posted. need store in field in database, if instance use .getencode().tostring(), gives not right. know other application in web second code (which how want save in db) corresponds first one.

thanks

as expected mistake... in case problem ... .getencode().tostring(), using

string key = base64.encodebase64(x509rc.getpublickey().getencoded()).tostring()  

when correct use be

string key = new string(base64.encodebase64(x509rc.getpublickey().getencoded())) 

thanks help